Renault 25 Flywheel machining

Hi all need to consult the brains trust again
How much metal can I have removed if machining the flywheel form my B29 R25. the old facings where down past the rivets and have scored the Flywheel. Id rather get it machined than not for a new clutch fitting.
Anyone

Hi all need to consult the brains trust again
How much metal can I have removed if machining the flywheel form my B29 R25. the old facings where down past the rivets and have scored the Flywheel. Id rather get it machined than not for a new clutch fitting.
Anyone